Marbrasa Marmores e Granitos do Brasil Ltda. of Cachoeiro de Itapemirim, Espírito Santo, Brazil, was founded in 1968 by Camilo Cola, and it has expanded its production greatly over the years. Among the many developments at the company, it has made major investments in its quarrying operations, including the San Gabriel Black granite quarry.
http://www.stoneworld.com/articles/87571-a-global-resource-for-black-granite?v=preview
http://www.stoneworld.com/articles/87571-a-global-resource-for-black-granite?v=preview